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2153111201 is a prime number
BaseRepresentation
bin1000000001010101…
…1101111010100001
312120001110101022022
42000111131322201
513402144024301
6553352351225
7104233100063
oct20025357241
95501411268
102153111201
11a0541434a
125010a5515
132840c53c7
14165d53733
15c9058d1b
hex8055dea1

2153111201 has 2 divisors, whose sum is σ = 2153111202. Its totient is φ = 2153111200.

The previous prime is 2153111197. The next prime is 2153111209. The reversal of 2153111201 is 1021113512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1288810000 + 864301201 = 35900^2 + 29399^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153111201 - 22 = 2153111197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2153111201.

It is not a weakly prime, because it can be changed into another prime (2153111209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076555600 + 1076555601.

It is an arithmetic number, because the mean of its divisors is an integer number (1076555601).

Almost surely, 22153111201 is an apocalyptic number.

It is an amenable number.

2153111201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153111201 is an equidigital number, since it uses as much as digits as its factorization.

2153111201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 2153111201 is about 46401.6292925151. The cubic root of 2153111201 is about 1291.2851405642.

Adding to 2153111201 its reverse (1021113512), we get a palindrome (3174224713).

The spelling of 2153111201 in words is "two billion, one hundred fifty-three million, one hundred eleven thousand, two hundred one".